package com.bw.mapper;

import org.apache.ibatis.annotations.Param;

public interface UserMapper {

    /**
     * 转账
     * 充值
     * 退款
     * 会员付费
     *
     * @param userIdA
     * @param amount
     */
    void updateAmountById(@Param("id") Integer userIdA,@Param("amount") Integer amount);

}
